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Phosphoric acid

Catalog No. 79623 Name Sigma Aldrich
CAS Number 7664-38-2 Website http://www.sigmaaldrich.com
M. F. H3O4P Telephone 1-800-521-8956
M. W. 97.995181 Fax
Purity ≥85% (T) Email
Storage Chembase ID: 105870

SYNONYMS

Title
磷酸
IUPAC name
phosphoric acid
IUPAC Traditional name
phosphoric acid
Synonyms
Orthophosphoric acid
正磷酸

DATABASE IDS

Beilstein Number 1921286
EC Number 231-633-2
PubChem SID 24887488
MDL Number MFCD00011340
CAS Number 7664-38-2

PROPERTIES

Antion Traces chloride (Cl-): ≤10 mg/kg
Antion Traces sulfate (SO42-): ≤50 mg/kg
Cation Traces Ca: ≤10 mg/kg
Cation Traces Cd: ≤5 mg/kg
Cation Traces Co: ≤5 mg/kg
Cation Traces Cr: ≤5 mg/kg
Cation Traces Cu: ≤5 mg/kg
Cation Traces Fe: ≤5 mg/kg
Cation Traces K: ≤20 mg/kg
Cation Traces Mg: ≤5 mg/kg
Cation Traces Mn: ≤5 mg/kg
Cation Traces Na: ≤20 mg/kg
Cation Traces Ni: ≤5 mg/kg
Cation Traces Pb: ≤5 mg/kg
Cation Traces Zn: ≤5 mg/kg
Grade purum p.a.
Linear Formula H3PO4
Purity ≥85% (T)
Gene Information human ... SRC(6714)
Boiling Point 158 °C(lit.)
Density 1.685 g/mL at 25 °C(lit.)
Melting Point ~40 °C(lit.)
Vapor Density 3.4 (vs air)
Vapor Pressure 2.2 mmHg ( 20 °C)
Vapor Pressure 5 mmHg ( 25 °C)
GHS Pictograms GHS05
GHS Signal Word Danger
GHS Hazard statements H314
European Hazard Symbols Corrosive Corrosive (C)
MSDS Link Download
Personal Protective Equipment Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
GHS Precautionary statements P280-P305 + P351 + P338-P310
RID/ADR UN 1805 8/PG 3
Risk Statements 34
Safety Statements 26-45
Hazard Class 8
UN Number 1805
Packing Group 3
German water hazard class 1

DETAILS

Description (English)
Caution
product may become solid; becomes liquid on heating to 50°C
Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).
Description (简体中文)
Caution
产品可为固态;加热至 50°C 时变为液态
Other Notes
浓磷酸大约为 85% H3PO4(水溶液)。

REFERENCES